fix undefined call order in fclose, possible lost output depending on compiler

[musl] / src / stdio / fclose.c

diff --git a/src/stdio/fclose.c b/src/stdio/fclose.c
index 26bc37e..9481470 100644 (file)
--- a/src/stdio/fclose.c
+++ b/src/stdio/fclose.c
@@ -13,7 +13,7 @@ int fclose(FILE *f)
                OFLUNLOCK();
        }
 
                OFLUNLOCK();
        }
 

-       r = fflush(f) | f->close(f);
+       r = -(fflush(f) || f->close(f));

 
        if (!perm) free(f);
        
 
        if (!perm) free(f);